Function uncaught_exception_events

tests/all/debug.rs:599–644

()

#[tokio::test]
#[cfg_attr(miri, ignore)]
async fn uncaught_exception_events() -> wasmtime::Result<()> {
    let _ = env_logger::try_init();

    let (module, mut store) = get_module_and_store(
        |config| {
            config.wasm_exceptions(true);
        },
        r#"
    (module
      (tag $t (param i32))
      (func (export "main")
        call 1)
      (func
        (local $i i32)
        (local.set $i (i32.const 100))
        (throw $t (i32.const 42))))
    "#,
    )?;

    debug_event_checker!(
        D, store,
        { 0 ;
          wasmtime::DebugEvent::Exception(e) => {
              assert_eq!(e.field(&mut store, 0).unwrap().unwrap_i32(), 42);
              let stack = store.debug_exit_frames().next().unwrap();
              assert_eq!(stack.num_locals(&mut store).unwrap(), 1);
              assert_eq!(stack.local(&mut store, 0).unwrap().unwrap_i32(), 100);
              let stack = stack.parent(&mut store).unwrap().unwrap();
              let stack = stack.parent(&mut store).unwrap();
              assert!(stack.is_none());
          }
        }
    );

    let (handler, counter) = D::new_and_counter();
    store.set_debug_handler(handler);

    let instance = Instance::new_async(&mut store, &module, &[]).await?;
    let func = instance.get_func(&mut store, "main").unwrap();
    let mut results = [];
    let result = func.call_async(&mut store, &[], &mut results).await;
    assert!(result.is_err()); // Uncaught exception.
    assert_eq!(counter.load(Ordering::Relaxed), 1);

    Ok(())
}

#[tokio::test]
#[cfg_attr(miri, ignore)]